ISO 52120-1:2021
Energy performance of buildings — Contribution of building automation, controls and building management — Part 1: General framework and procedures
This document specifies:
— a structured list of control, building automation and technical building management functions which contribute to the energy performance of buildings; functions have been categorized and structured according to building disciplines and building automation and control (BAC);
— a method to define minimum requirements or any specification regarding the control, building automation and technical building management functions contributing to energy efficiency of a building to be implemented in building of different complexities;
— a factor-based method to get a first estimation of the effect of these functions on typical buildings types and use profiles;
— detailed methods to assess the effect of these functions on a given building.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, subscripts and abbreviated terms
4.1 Symbols
4.2 Subscripts
4.3 Abbreviated terms
5 Description of the method
5.1 Output of the method
5.2 General description of the method(s)
5.3 Selection criteria between the methods
5.4 BAC and TBM functions having an impact on the energy performance of buildings
5.5 BAC efficiency class
5.6 BAC and TBM functions assigned to the BAC efficiency classes
5.7 Applying BAC for EnMS and maintaining BAC energy efficiency
5.7.1 General
5.7.2 Applying BAC for EnMS
5.7.3 Maintaining BAC energy efficiency
6 Method 1 - Detailed calculation procedure of the BAC contribution to the energy performance of buildings (detailed method)
6.1 Output data
6.2 Calculation time intervals
6.3 Input data - Source of data
6.4 Calculation procedure
6.4.1 Applicable calculation time interval
6.4.2 Energy performance calculation
7 Method 2 - Factor based calculation procedure of the BAC impact on the energy performance of buildings (BAC factor method)
7.1 Output data
7.2 Calculation time interval
7.3 Calculation procedure — Energy calculation
7.3.1 General
7.3.2 BAC efficiency factor values
7.3.3 Application of the BAC efficiency factors
8 Simplified input data correlations
9 Quality control
10 Compliance check
Annex A (informative) BAC efficiency factors
Annex B (normative) Minimum BAC function type requirements
Annex C (informative) Determination of the BAC efficiency factors
Annex D (informative) Examples of how to use the BAC function list of ISO 16484-3 to describe functions from this document
Annex E (informative) Applying BAC for EnMS specified in ISO 50001:2018
Annex F (informative) Maintain BAC energy efficiency
Annex G (informative) Control accuracy
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, subscripts and abbreviated terms
4.1 Symbols
4.2 Subscripts
4.3 Abbreviated terms
5 Description of the method
5.1 Output of the method
5.2 General description of the method(s)
5.3 Selection criteria between the methods
5.4 BAC and TBM functions having an impact on the energy performance of buildings
5.5 BAC efficiency class
5.6 BAC and TBM functions assigned to the BAC efficiency classes
5.7 Applying BAC for EnMS and maintaining BAC energy efficiency
5.7.1 General
5.7.2 Applying BAC for EnMS
5.7.3 Maintaining BAC energy efficiency
6 Method 1 - Detailed calculation procedure of the BAC contribution to the energy performance of buildings (detailed method)
6.1 Output data
6.2 Calculation time intervals
6.3 Input data - Source of data
6.4 Calculation procedure
6.4.1 Applicable calculation time interval
6.4.2 Energy performance calculation
7 Method 2 - Factor based calculation procedure of the BAC impact on the energy performance of buildings (BAC factor method)
7.1 Output data
7.2 Calculation time interval
7.3 Calculation procedure — Energy calculation
7.3.1 General
7.3.2 BAC efficiency factor values
7.3.3 Application of the BAC efficiency factors
8 Simplified input data correlations
9 Quality control
10 Compliance check
Annex A (informative) BAC efficiency factors
Annex B (normative) Minimum BAC function type requirements
Annex C (informative) Determination of the BAC efficiency factors
Annex D (informative) Examples of how to use the BAC function list of ISO 16484-3 to describe functions from this document
Annex E (informative) Applying BAC for EnMS specified in ISO 50001:2018
Annex F (informative) Maintain BAC energy efficiency
Annex G (informative) Control accuracy
Bibliography